Rare Brieg ducat of "three brothers".
In the specialized catalog "Common coinage of three brothers 1651-1662" , by Marcin Grandowski variety with a rarity level of R6-, which means 23-30 pieces known to the author.
Plenty of mint bloom.
Unnatural look due to improper cleaning.
Slightly bent.
Gold, diameter 23 mm, weight 3.47 g
